Reliable reputation insulation oil dieletric strength tester

Breakdown Voltage Tester(BDV Tester) is developed according to the national standard GB-86 Insulating Oil Dielectric Strength Testing Method .The tester can test three cups of oil at the same time LCD screen can display test procedure and test result. All the human interaction operations complete by the rotating mouse .It is very easy for customers to measure the breakdown voltage of all kinds of oil by ASSEN ST-100. You can print the test result by the micro printer internal the tester. Of course, you can upload the test data to PC from RS232 for data analyzing. The special circuit design makes the tester has a good performance at stability and anti-noise

1. Simple operation, automatically (can be finished just press on key)

2. Menu controlled. Input data is clear

3. Can store 99 groups of oil testing data, which is convenient to reading and print. The testing data can keep 100 years under the condition of power off.

4. System time can go on running under power off;
( The system time is just for reference which can not be the standard of timing)

5. Can upgrade software through RS232

6. High capacity of anti-jamming, high precision of testing.

7. Small volume, light, which can be operated in the open air very conveniently

The ST Insulation oil tester provide repeatable, accurate measurement of breakdown voltage of insulating oils used in electrical equipment. These versatile, lightweight yet rugged units have been designed for both field and laboratory use.

The ST Insulation oil tester adopt industrial SCM to control, which is applied to integrate circuit, new model I/0 connection, particular testing and anti-jamming technology which largely improve the machine’s capacity .

our ST Oil Tester set is ideal for speedy and acurate testing of di-i-electric strength of transformer and circuit breaker oil undertest room condition in acordance with IS:6792-1972 for oil testing

Insulation oil teste's technical Data:

1. Power supply: AC220V, 50 Hz

2. Output voltage: 60KV, 80KV, 100KV (100KV should be special designed)

3. Capacity: 1.6KVA, 2.0KVA

4. Pressure increase speed: About 2 KVA / s

5. Pressure testing speed: 3%

6. Dielectric strength sensitivity: < 2KV

7. Wave form distortion: < 3%

8. Time of dielectric strength: < 10ms

Insulation oil tester's Structure Chart:

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Q: What is BDV test for distribution transformer?
A: When you say BDV you might mean the dielectric strength of transformer oil. A new transformer oil should have at lest a dielectric strength of 39 KV. from a British standard.Transformer oils used are normally tested using ASTM D877-82 with the KV strength tester using 1" electrodes spaced 0.1" apart and the test voltage increased at 3,000 volts/min until it breaks down. The average Kv obtained after 8 trials is considered the Oil dielectric strength.
  Using this test method,dielectric strength at 30 kv and above is considered good. Dielectric strength between 23 to 29Kv is considered usable, but requires filtering. Below 23 kv, the transformer oil should be replaced. Another method ASTM D18747-82 uses the small radius electrodes but spaced only .o4 inches. The test voltage is 500volts/min and increased until breakdown. The dielectric strength is still the average Kv obtained in 8 trials. The dielectric strength of 28-29Kv is considered good. Below 28 kv, the transformer oil is usable but requires filtering. The latter method is considered a better test method.

Chongqing Assen Power Equipment Co.,LTD, which is professional in design, manufacture, sale of oil purification equipment, relevant testing instruments and provide comprehensive filtering solution, owns advanced production lines and sophisticated detection equipment, first-class R & D staff , professional workers and High-quality sales and service teams

Our Product: Double Stage Transformer Oil Purification system, Vacuum Lubricating Oil Purification, Vacuum Turbine Oil Conditioner, Portable Oil Purifier, Singe Stage Insulating Oil Purifier, Water Oil Separator, Light fuel Oil Purifier, and Fully-auto Dielectric Oil Tester, Turn ratio Tester, Acid Tester, Moisture Detector, Interfacial Tension Tester, etc.

Our Service: special filter technology consulting and solutions sector; fast after-sale service feedback system, well-trained service engineer; hands-on training and large-scale equipments operation myrmidon; regularly visit system, CRM customer relationship management system; rapid Filter wearing parts and spare parts supply system.